SG47209A1 - Optical pickup device and reproducing apparatus of optical recording medium - Google Patents
Optical pickup device and reproducing apparatus of optical recording mediumInfo
- Publication number
- SG47209A1 SG47209A1 SG1997000136A SG1997000136A SG47209A1 SG 47209 A1 SG47209 A1 SG 47209A1 SG 1997000136 A SG1997000136 A SG 1997000136A SG 1997000136 A SG1997000136 A SG 1997000136A SG 47209 A1 SG47209 A1 SG 47209A1
- Authority
- SG
- Singapore
- Prior art keywords
- recording medium
- reproducing apparatus
- pickup device
- optical
- optical recording
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 2
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0945—Methods for initialising servos, start-up sequences
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP904996 | 1996-01-23 | ||
| JP8237041A JPH09265639A (ja) | 1996-01-23 | 1996-09-06 | 光学ピックアップ装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG47209A1 true SG47209A1 (en) | 1998-03-20 |
Family
ID=26343702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG1997000136A SG47209A1 (en) | 1996-01-23 | 1997-01-21 | Optical pickup device and reproducing apparatus of optical recording medium |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5923633A (de) |
| EP (1) | EP0786766A3 (de) |
| JP (1) | JPH09265639A (de) |
| SG (1) | SG47209A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3033693B2 (ja) * | 1996-09-13 | 2000-04-17 | 日本電気株式会社 | 光ヘッド装置 |
| JP4925153B2 (ja) * | 2001-08-10 | 2012-04-25 | 大和製罐株式会社 | 印刷済みフィルム貼着缶体の製造方法 |
| KR20030075794A (ko) * | 2002-03-20 | 2003-09-26 | 엘지전자 주식회사 | 광디스크 장치에서의 서보동작 제어방법 |
| US7502338B1 (en) | 2003-12-19 | 2009-03-10 | Apple Inc. | De-emphasis training on a point-to-point connection |
| US20050231358A1 (en) * | 2004-04-19 | 2005-10-20 | Company Steven L | Search engine for singles with (GPS) position data |
| US8483108B2 (en) * | 2006-07-24 | 2013-07-09 | Apple Inc. | Apparatus and methods for de-emphasis training on a point-to-point connection |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757492A (en) * | 1984-12-26 | 1988-07-12 | Kabushiki Kaisha Toshiba | Method for recording and reproducing information on or from an optical recording medium |
| JPH0770065B2 (ja) * | 1988-04-20 | 1995-07-31 | シャープ株式会社 | 光ピックアップ装置 |
| JPH0682989A (ja) * | 1992-08-31 | 1994-03-25 | Pioneer Electron Corp | 光記録媒体の記録・再生・消去方法 |
| DE4330794C2 (de) * | 1992-09-10 | 1999-12-23 | Toshiba Kawasaki Kk | Optische Kopfvorrichtung zur Verwendung in einer optischen Aufzeichnungs- und Schreib/Lesevorrichtung |
| US5513164A (en) * | 1992-09-11 | 1996-04-30 | Kabushiki Kaisha Toshiba | Optical recording and reproducing apparatus |
| JP2532818B2 (ja) * | 1993-02-01 | 1996-09-11 | 松下電器産業株式会社 | 対物レンズおよび光ヘッド装置 |
| JP2776207B2 (ja) * | 1993-08-09 | 1998-07-16 | 松下電器産業株式会社 | 光情報再生方法 |
| WO1996028816A2 (en) * | 1995-03-15 | 1996-09-19 | Philips Electronics N.V. | Device for optically scanning a recording medium |
-
1996
- 1996-09-06 JP JP8237041A patent/JPH09265639A/ja not_active Withdrawn
-
1997
- 1997-01-07 US US08/786,123 patent/US5923633A/en not_active Expired - Fee Related
- 1997-01-21 EP EP97300360A patent/EP0786766A3/de not_active Withdrawn
- 1997-01-21 SG SG1997000136A patent/SG47209A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0786766A2 (de) | 1997-07-30 |
| JPH09265639A (ja) | 1997-10-07 |
| US5923633A (en) | 1999-07-13 |
| EP0786766A3 (de) | 2001-05-02 |
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